<!DOCTYPE html>
<head>
    <meta charset="utf-8">
    <title>用户登录</title>
    <style>
        body {
            font: 13px/20px 'Lucida Grande', Tahoma, Verdana, sans-serif;
            color: #404040;
            background: #7de2cc;
        }
        .container {
            margin: 80px auto;
            width: 640px;
        }
        .login {
            position: relative;
            margin: 0 auto;
            padding: 20px 20px 20px;
            width: 310px;
            background: white;
            border-radius: 3px;
            box-shadow: 0 0 200px #ffffff80, 0 1px 2px #0000004d;
        }
        .login:before {
            content: '';
            position: absolute;
            top: -8px;
            right: -8px;
            bottom: -8px;
            left: -8px;
            z-index: -1;
            background: #00000014;
            border-radius: 4px;
        }
        .login h1 {
            margin: -20px -20px 21px;
            line-height: 40px;
            font-size: 15px;
            font-weight: bold;
            color: #555;
            text-align: center;
            text-shadow: 0 1px white;
            background: #f3f3f3;
            border-bottom: 1px solid #cfcfcf;
            border-radius: 3px 3px 0 0;
            -webkit-box-shadow: 0 1px whitesmoke;
            box-shadow: 0 1px whitesmoke;
        }
        .login p {
            margin: 20px 0 0;
        }
        .login p:first-child {
            margin-top: 0;
        }
        .login input[type=text], .login input[type=password] {
            width: 278px;
        }
        .login p.remember_me {
            float: left;
            line-height: 31px;
        }
        .login p.remember_me label {
            font-size: 12px;
            color: #777;
            cursor: pointer;
        }
        .login p.remember_me input {
            position: relative;
            bottom: 1px;
            margin-right: 4px;
            vertical-align: middle;
        }
        .login p.submit {
            text-align: right;
        }
        input {
            font-family: 'Lucida Grande', Tahoma, Verdana, sans-serif;
            font-size: 14px;
        }

        input[type=text], input[type=password] {
            margin: 5px;
            padding: 0 10px;
            width: 200px;
            height: 34px;
            color: #404040;
            background: white;
            border: 1px solid;
            border-color: #c4c4c4 #d1d1d1 #d4d4d4;
            border-radius: 2px;
            outline: 5px solid #eff4f7;
            -moz-outline-radius: 3px;
            -webkit-box-shadow: inset 0 1px 3px #beacacc8;
            box-shadow: inset 0 1px 3px #beacacc8;
        }
        input[type=text]:focus, input[type=password]:focus {
            border-color: #7de2cc;
            outline-color: #ffffff;
            outline-offset: 0;
        }

        input[type=submit] {
            padding: 0 18px;
            height: 29px;
            font-size: 12px;
            font-weight: bold;
            color: #000000;
            text-shadow: 0 1px #e3f1f1;
            background: #cde5ef;
            border: 1px solid;
            border-color: #b4ccce #b3c0c8 #9eb9c2;
            border-radius: 16px;
            outline: 0;
            -webkit-box-sizing: content-box;
            -moz-box-sizing: content-box;
            box-sizing: content-box;
            background-image: -webkit-linear-gradient(top, #edf5f8, #99d1e9);
            background-image: -moz-linear-gradient(top, #edf5f8, #99d1e9);
            background-image: -o-linear-gradient(top, #edf5f8, #99d1e9);
            background-image: linear-gradient(to bottom, #edf5f8, #99d1e9);
            -webkit-box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.15);
            box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.15);
        }
        input[type=submit]:active {
            background: #cde5ef;
            border-color: #9eb9c2 #b3c0c8 #b4ccce;
            -webkit-box-shadow: inset 0 0 3px #00000033;
            box-shadow: inset 0 0 3px #00000033;
        }
    </style>
</head>
<body>
    <section class="container">
        <!-- 登录表单部分 -->
        <div class="login">
            <!-- 页面标题 -->
            <h1>用户登录</h1>
            <!-- 登录表单 -->
            <form action="/login" method="post">
                <!-- 用户名输入框 -->
                <p><input type="text" id="username" name="username" required></p>
                <!-- 密码输入框 -->
                <p><input type="password" id="password" name="password" required></p>
                <!-- 记住密码复选框 -->
                <p class="remember_me">
                    <label>
                        <input type="checkbox" name="remember_me" id="remember_me">
                        记住密码
                    </label>
                </p>
                <!-- 提交按钮 -->
                <p class="submit"><input type="submit" name="commit" value="登录"></p>
                <a href="register.html">没有账号？点击注册</a>
            </form>
        </div>
    </section>
</body>
</html>
